Commodity20052006200720102011
Urea, whether or not in aqueous solution$1  $9,050$14,841
Ammonium sulphate   $20,100 
Ammonium nitrate, whether or not in aqueous solution$286,283$88,318$84,800  
Mixtures of ammonium nitrate with calcium carbonate/oth. inorganic non-fert ...$355,284    
Total$641,568$88,318$84,800$29,150$14,841